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From: Linus Torvalds <torvalds@linux-foundation.org>
To: hannah@marvell.com
Cc: Jonathan Corbet <corbet@lwn.net>,
	David Miller <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Josef Griebichler <griebichler.josef@gmx.at>,
	Hannes Frederic Sowa <hannes@redhat.com>,
	Jesper Dangaard Brouer <jbrouer@redhat.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Linux Media Mailing List <linux-media@vger.kernel.org>,
	USB list <linux-usb@vger.kernel.org>,
	Mauro Carvalho Chehab <mchehab@s-opensource.com>,
	Ingo Molnar <mingo@kernel.org>,
	Network Development <netdev@vger.kernel.org>,
	Paolo Abeni <pabeni@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Rik van Riel <riel@redhat.com>,
	Alan Stern <stern@rowland.harvard.edu>,
	dma <dmaengine@vger.kernel.org>,
	vkoul@kernel.or
Subject: Re: dvb usb issues since kernel 4.9
Date: Tue, 17 Jul 2018 10:09:28 -0700	[thread overview]
Message-ID: <CA+55aFwb5hPtPFbB02SSn+wTkqTDSgHGFkiw7LB57mj42VzyZQ@mail.gmail.com> (raw)
In-Reply-To: <1d3d0fe3-bc02-7720-15ac-6bc06e00067c@marvell.com>

On Tue, Jul 17, 2018 at 4:58 AM Hanna Hawa <hannah@marvell.com> wrote:
>
> After some debug/bisect/diff, found that patch "softirq: Let ksoftirqd
> do its job" is problematic patch.

Ok, this thread died down without any resolution.

>- Using v4.14.0 (including softirq patch) and the additional fix
> proposed by Linus - no timeout issue.

Are you talking about the patch that made HI_SOFTIRQ and
TASKLET_SOFTIRQ special, and had this:

  #define SOFTIRQ_NOW_MASK ((1 << HI_SOFTIRQ) | (1 << TASKLET_SOFTIRQ))

in it?

I think I'll just commit the damn thing. It's hacky, but it's simple,
and it never got applied because we had smarter suggestions. But the
smarter suggestions never ended up being applied either, so..

                       Linus

  reply	other threads:[~2018-07-17 17:43 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <trinity-35b3a044-b548-4a31-9646-ed9bc83e6846-1513505978471@3c-app-gmx-bs03>
     [not found] ` <20171217120634.pmmuhdqyqmbkxrvl@gofer.mess.org>
     [not found]   ` <20171217112738.4f3a4f9b@recife.lan>
     [not found]     ` <trinity-1fa14556-8596-44b1-95cb-b8919d94d2d4-1515251056328@3c-app-gmx-bs15>
2018-01-06 19:54       ` dvb usb issues since kernel 4.9 Mauro Carvalho Chehab
2018-01-06 21:07         ` Aw: " Josef Griebichler
2018-01-06 21:44         ` Alan Stern
2018-01-07 11:03           ` Mauro Carvalho Chehab
2018-01-07 15:41             ` Alan Stern
     [not found]               ` <Pine.LNX.4.44L0.1801071010540.13425-100000-pYrvlCTfrz9XsRXLowluHWD2FQJk+8+b@public.gmane.org>
2018-01-07 17:01                 ` Aw: " Josef Griebichler
2018-01-08  9:43               ` Mauro Carvalho Chehab
2018-01-08 16:10                 ` Alan Stern
2018-01-08 16:26                 ` Aw: " Josef Griebichler
2018-01-08 16:31                   ` Alan Stern
2018-01-08 17:15                     ` Aw: " Josef Griebichler
2018-01-08 17:35                       ` Alan Stern
2018-01-08 20:40                         ` Jesper Dangaard Brouer
2018-01-08 21:31                   ` Jesper Dangaard Brouer
2018-01-08 21:44                     ` Peter Zijlstra
2018-01-08 22:16                       ` Jesper Dangaard Brouer
2018-01-09 16:51                         ` Aw: " Josef Griebichler
2018-01-09 17:27                           ` Eric Dumazet
2018-01-09 17:48                             ` Linus Torvalds
2018-01-09 17:57                               ` Eric Dumazet
2018-01-09 18:58                                 ` Linus Torvalds
2018-01-09 21:48                                   ` Eric Dumazet
2018-01-10  9:45                                   ` Jesper Dangaard Brouer
2018-01-12 21:13                               ` Mauro Carvalho Chehab
2018-01-12 21:48                                 ` Eric Dumazet
2018-01-13  9:09                                   ` Mauro Carvalho Chehab
2018-01-13 10:46                                     ` Mauro Carvalho Chehab
2018-01-07 21:23         ` Linus Torvalds
2018-01-08 10:02           ` Mauro Carvalho Chehab
2018-01-08 11:59             ` Jesper Dangaard Brouer
2018-01-08 12:53               ` Mauro Carvalho Chehab
2018-01-08 16:25                 ` Alan Stern
2018-01-08 17:55           ` Ingo Molnar
2018-01-08 18:32             ` Linus Torvalds
2018-01-08 19:15               ` Alan Stern
2018-01-08 19:51                 ` Linus Torvalds
2018-01-09 17:42                   ` Mauro Carvalho Chehab
2018-01-09 17:55                     ` Linus Torvalds
2018-01-09 21:26                     ` Jesper Dangaard Brouer
2018-01-10  3:02                       ` Mike Galbraith
2018-07-17 11:54                   ` Hanna Hawa
2018-07-17 17:09                     ` Linus Torvalds [this message]
2018-07-17 18:07                       ` Hanna Hawa
2018-07-17 22:21                       ` Mauro Carvalho Chehab
2018-01-26 14:17                 ` Mauro Carvalho Chehab
2018-01-26 19:37                   ` Mauro Carvalho Chehab
2018-01-29 13:51                     ` Mauro Carvalho Chehab

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